US Patent 9938239 Method for preparing silodosin
Patent 9938239 was granted and assigned to Sandoz on April, 2018 by the United States Patent and Trademark Office.
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Patent abstract
The present invention relates to a process for preparing silodosin with high optical purity up to 99.9% enantiomeric excess (e.e.) or above. The process makes use of a method step, in which the enantiomers contained in a racemic mixture of a compound represented by the general formula V: wherein * denotes the asymmetric center, R1 is a protecting group, and R2 is cyano or carbamoyl, are separated.
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Patent Inventor Names
Chandrakant Abhinay0
D. Metkar Shashikant0
N. Chaven Dattatraya0
Parven Kumar Luthra0
Sachin Bhuta0
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US Patent 09938239 Method for preparing silodosin US Patent 9938239 Method for preparing silodosin
Infobox
Patent Number
099382390
Patent Number
99382390
Edits on 21 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
099382390
Date of Patent
April 10, 2018
0Patent Application Number
149761400
Date Filed
December 21, 2015
0Patent Primary Examiner
Edits on 19 Jan, 2022
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Infobox (+8 properties)
US Patent 09938239 Method for preparing silodosin
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
09938239
Date of patent
April 10, 2018
Patent application number
14976140
Date Filed
December 21, 2015
Patent primary examiner
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